How can I get started using a remote/virtual assistant to perform everyday tasks to save me time?

I read about this concept in the 4 Hour Workweek and I guess it makes sense, but I am afraid of getting ripped off or wasting my own time coming up with instructions for my "staff"...

What are some tips to successfully communicate and be productive when everyone is working remotely?

Now that remote work is more of the norm, it seems we all need to learn the best techniques to communicate and be productive while working with others remotely.   What has worked for you in terms of keeping in touch and staying productive while working remotely?...